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TLS Online TPP Program

#Question id: 7306

A plant scientist was hired by a greenhouse operator to devise a way to force iris plants to bloom in the short days of winter. Iris normally blooms as a long-day (short-night) plant. Which of the following has the best chance of creating iris blooms in winter?

#I Life Science/ Life Sciences Group – I-V
  1. Artificially increase the period of darkness in the greenhouse.
  2. Increase the temperature to more closely follow summer temperatures.
  3. Alternate four hours of darkness with four hours of light repeatedly over each 24-hour period.
  4. Interrupt the long winter nights with a brief period of light.
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TLS Online TPP Program

#Question id: 354

#I Life Science/ Life Sciences Group – I-V

You have a freshly prepared 0.1 M sucrose (molecular mass 342) solution, which means ________.
TLS Online TPP Program

#Question id: 2978

#SCPH06 I Botany

The most important regulatory control that restricts cyclins to the appropriate cell cycle stage is ubiquitin mediated, proteasome-dependent protein degradation. Which of the following statement is incorrect regarding to the degradation of protein?
TLS Online TPP Program

#Question id: 17075

#SCPH06 I Botany

What are the disadvantages of using polyclonal antibodies?
TLS Online TPP Program

#Question id: 23253

#SCPH28 | Zoology

FISH is an in vitro assay that uses fluorescent reporter attached to a _______ that hybridizes to chromosomes.
TLS Online TPP Program

#Question id: 9271

#SCPH05 I Biotechnology

Chlorophylls a and b are abundant in green plants, and c and d are found in some protists and cyanobacteria. A number of different types of bacteriochlorophyll have been found; which type of chlorophyll is the most widely distributed, shows the distribution of pigments in different types of photosynthetic organisms;